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416 lines
15 KiB
C
416 lines
15 KiB
C
/* Altera Nios II opcode list.
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Copyright (C) 2012-2014 Free Software Foundation, Inc.
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Contributed by Nigel Gray (ngray@altera.com).
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Contributed by Mentor Graphics, Inc.
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This file is part of the GNU opcodes library.
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This library is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3, or (at your option)
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any later version.
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It is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public
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License for more details.
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You should have received a copy of the GNU General Public License
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along with this file; see the file COPYING. If not, write to the
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Free Software Foundation, 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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#include "sysdep.h"
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#include <stdio.h>
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#include "opcode/nios2.h"
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/* Register string table */
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const struct nios2_reg nios2_builtin_regs[] = {
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/* Standard register names. */
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{"zero", 0},
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{"at", 1}, /* assembler temporary */
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{"r2", 2},
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{"r3", 3},
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{"r4", 4},
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{"r5", 5},
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{"r6", 6},
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{"r7", 7},
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{"r8", 8},
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{"r9", 9},
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{"r10", 10},
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{"r11", 11},
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{"r12", 12},
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{"r13", 13},
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{"r14", 14},
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{"r15", 15},
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{"r16", 16},
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{"r17", 17},
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{"r18", 18},
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{"r19", 19},
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{"r20", 20},
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{"r21", 21},
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{"r22", 22},
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{"r23", 23},
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{"et", 24},
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{"bt", 25},
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{"gp", 26}, /* global pointer */
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{"sp", 27}, /* stack pointer */
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{"fp", 28}, /* frame pointer */
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{"ea", 29}, /* exception return address */
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{"sstatus", 30}, /* saved processor status */
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{"ra", 31}, /* return address */
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/* Alternative names for special registers. */
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{"r0", 0},
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{"r1", 1},
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{"r24", 24},
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{"r25", 25},
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{"r26", 26},
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{"r27", 27},
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{"r28", 28},
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{"r29", 29},
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{"r30", 30},
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{"ba", 30}, /* breakpoint return address */
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{"r31", 31},
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/* Control register names. */
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{"status", 0},
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{"estatus", 1},
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{"bstatus", 2},
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{"ienable", 3},
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{"ipending", 4},
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{"cpuid", 5},
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{"ctl6", 6},
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{"exception", 7},
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{"pteaddr", 8},
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{"tlbacc", 9},
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{"tlbmisc", 10},
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{"eccinj", 11},
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{"badaddr", 12},
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{"config", 13},
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{"mpubase", 14},
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{"mpuacc", 15},
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{"ctl16", 16},
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{"ctl17", 17},
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{"ctl18", 18},
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{"ctl19", 19},
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{"ctl20", 20},
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{"ctl21", 21},
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{"ctl22", 22},
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{"ctl23", 23},
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{"ctl24", 24},
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{"ctl25", 25},
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{"ctl26", 26},
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{"ctl27", 27},
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{"ctl28", 28},
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{"ctl29", 29},
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{"ctl30", 30},
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{"ctl31", 31},
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/* Alternative names for special control registers. */
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{"ctl0", 0},
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{"ctl1", 1},
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{"ctl2", 2},
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{"ctl3", 3},
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{"ctl4", 4},
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{"ctl5", 5},
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{"ctl7", 7},
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{"ctl8", 8},
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{"ctl9", 9},
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{"ctl10", 10},
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{"ctl11", 11},
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{"ctl12", 12},
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{"ctl13", 13},
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{"ctl14", 14},
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{"ctl15", 15},
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/* Coprocessor register names. */
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{"c0", 0},
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{"c1", 1},
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{"c2", 2},
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{"c3", 3},
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{"c4", 4},
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{"c5", 5},
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{"c6", 6},
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{"c7", 7},
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{"c8", 8},
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{"c9", 9},
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{"c10", 10},
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{"c11", 11},
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{"c12", 12},
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{"c13", 13},
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{"c14", 14},
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{"c15", 15},
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{"c16", 16},
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{"c17", 17},
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{"c18", 18},
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{"c19", 19},
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{"c20", 20},
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{"c21", 21},
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{"c22", 22},
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{"c23", 23},
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{"c24", 24},
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{"c25", 25},
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{"c26", 26},
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{"c27", 27},
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{"c28", 28},
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{"c29", 29},
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{"c30", 30},
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{"c31", 31},
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};
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#define NIOS2_NUM_REGS \
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((sizeof nios2_builtin_regs) / (sizeof (nios2_builtin_regs[0])))
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const int nios2_num_builtin_regs = NIOS2_NUM_REGS;
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/* This is not const in order to allow for dynamic extensions to the
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built-in instruction set. */
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struct nios2_reg *nios2_regs = (struct nios2_reg *) nios2_builtin_regs;
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int nios2_num_regs = NIOS2_NUM_REGS;
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#undef NIOS2_NUM_REGS
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/* This is the opcode table used by the Nios II GNU as, disassembler
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and GDB. */
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const struct nios2_opcode nios2_builtin_opcodes[] =
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{
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/* { name, args, args_test, num_args,
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match, mask, pinfo, overflow_msg } */
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{"add", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_ADD, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"addi", "t,s,i", "t,s,i,E", 3,
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OP_MATCH_ADDI, OP_MASK_IOP, NIOS2_INSN_ADDI, signed_immed16_overflow},
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{"subi", "t,s,i", "t,s,i,E", 3,
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OP_MATCH_ADDI, OP_MASK_IOP, NIOS2_INSN_MACRO, signed_immed16_overflow},
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{"and", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_AND, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"andhi", "t,s,u", "t,s,u,E", 3,
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OP_MATCH_ANDHI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
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{"andi", "t,s,u", "t,s,u,E", 3,
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OP_MATCH_ANDI, OP_MASK_IOP, NIOS2_INSN_ANDI, unsigned_immed16_overflow},
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{"beq", "s,t,o", "s,t,o,E", 3,
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OP_MATCH_BEQ, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
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{"bge", "s,t,o", "s,t,o,E", 3,
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OP_MATCH_BGE, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
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{"bgeu", "s,t,o", "s,t,o,E", 3,
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OP_MATCH_BGEU, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
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{"bgt", "s,t,o", "s,t,o,E", 3,
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OP_MATCH_BLT, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
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branch_target_overflow},
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{"bgtu", "s,t,o", "s,t,o,E", 3,
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OP_MATCH_BLTU, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
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branch_target_overflow},
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{"ble", "s,t,o", "s,t,o,E", 3,
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OP_MATCH_BGE, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
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branch_target_overflow},
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{"bleu", "s,t,o", "s,t,o,E", 3,
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OP_MATCH_BGEU, OP_MASK_IOP, NIOS2_INSN_MACRO|NIOS2_INSN_CBRANCH,
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branch_target_overflow},
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{"blt", "s,t,o", "s,t,o,E", 3,
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OP_MATCH_BLT, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
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{"bltu", "s,t,o", "s,t,o,E", 3,
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OP_MATCH_BLTU, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
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{"bne", "s,t,o", "s,t,o,E", 3,
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OP_MATCH_BNE, OP_MASK_IOP, NIOS2_INSN_CBRANCH, branch_target_overflow},
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{"br", "o", "o,E", 1,
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OP_MATCH_BR, OP_MASK_IOP, NIOS2_INSN_UBRANCH, branch_target_overflow},
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{"break", "b", "b,E", 1,
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OP_MATCH_BREAK, OP_MASK_BREAK, 0, no_overflow},
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{"bret", "", "E", 0,
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OP_MATCH_BRET, OP_MASK, 0, no_overflow},
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{"flushd", "i(s)", "i(s)E", 2,
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OP_MATCH_FLUSHD, OP_MASK_IOP, 0, signed_immed16_overflow},
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{"flushda", "i(s)", "i(s)E", 2,
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OP_MATCH_FLUSHDA, OP_MASK_IOP, 0, signed_immed16_overflow},
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{"flushi", "s", "s,E", 1,
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OP_MATCH_FLUSHI, OP_MASK_FLUSHI, 0, no_overflow},
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{"flushp", "", "E", 0,
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OP_MATCH_FLUSHP, OP_MASK, 0, no_overflow},
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{"initd", "i(s)", "i(s)E", 2,
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OP_MATCH_INITD, OP_MASK_IOP, 0, signed_immed16_overflow},
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{"initda", "i(s)", "i(s)E", 2,
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OP_MATCH_INITDA, OP_MASK_IOP, 0, signed_immed16_overflow},
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{"initi", "s", "s,E", 1,
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OP_MATCH_INITI, OP_MASK_INITI, 0, no_overflow},
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{"call", "m", "m,E", 1,
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OP_MATCH_CALL, OP_MASK_IOP, NIOS2_INSN_CALL, call_target_overflow},
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{"callr", "s", "s,E", 1,
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OP_MATCH_CALLR, OP_MASK_CALLR, 0, no_overflow},
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{"cmpeq", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_CMPEQ, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"cmpeqi", "t,s,i", "t,s,i,E", 3,
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OP_MATCH_CMPEQI, OP_MASK_IOP, 0, signed_immed16_overflow},
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{"cmpge", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_CMPGE, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"cmpgei", "t,s,i", "t,s,i,E", 3,
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OP_MATCH_CMPGEI, OP_MASK_IOP, 0, signed_immed16_overflow},
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{"cmpgeu", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_CMPGEU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"cmpgeui", "t,s,u", "t,s,u,E", 3,
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OP_MATCH_CMPGEUI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
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{"cmpgt", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_CMPLT, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
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{"cmpgti", "t,s,i", "t,s,i,E", 3,
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OP_MATCH_CMPGEI, OP_MASK_IOP, NIOS2_INSN_MACRO, signed_immed16_overflow},
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{"cmpgtu", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_CMPLTU, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
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{"cmpgtui", "t,s,u", "t,s,u,E", 3,
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OP_MATCH_CMPGEUI, OP_MASK_IOP, NIOS2_INSN_MACRO, unsigned_immed16_overflow},
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{"cmple", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_CMPGE, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
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{"cmplei", "t,s,i", "t,s,i,E", 3,
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OP_MATCH_CMPLTI, OP_MASK_IOP, NIOS2_INSN_MACRO, signed_immed16_overflow},
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{"cmpleu", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_CMPGEU, OP_MASK_ROPX | OP_MASK_ROP, NIOS2_INSN_MACRO, no_overflow},
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{"cmpleui", "t,s,u", "t,s,u,E", 3,
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OP_MATCH_CMPLTUI, OP_MASK_IOP, NIOS2_INSN_MACRO, unsigned_immed16_overflow},
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{"cmplt", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_CMPLT, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"cmplti", "t,s,i", "t,s,i,E", 3,
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OP_MATCH_CMPLTI, OP_MASK_IOP, 0, signed_immed16_overflow},
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{"cmpltu", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_CMPLTU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"cmpltui", "t,s,u", "t,s,u,E", 3,
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OP_MATCH_CMPLTUI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
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{"cmpne", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_CMPNE, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"cmpnei", "t,s,i", "t,s,i,E", 3,
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OP_MATCH_CMPNEI, OP_MASK_IOP, 0, signed_immed16_overflow},
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{"div", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_DIV, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"divu", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_DIVU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"jmp", "s", "s,E", 1,
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OP_MATCH_JMP, OP_MASK_JMP, 0, no_overflow},
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{"jmpi", "m", "m,E", 1,
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OP_MATCH_JMPI, OP_MASK_IOP, 0, no_overflow},
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{"ldb", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDB, OP_MASK_IOP, 0, address_offset_overflow},
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{"ldbio", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDBIO, OP_MASK_IOP, 0, address_offset_overflow},
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{"ldbu", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDBU, OP_MASK_IOP, 0, address_offset_overflow},
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{"ldbuio", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDBUIO, OP_MASK_IOP, 0, address_offset_overflow},
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{"ldh", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDH, OP_MASK_IOP, 0, address_offset_overflow},
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{"ldhio", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDHIO, OP_MASK_IOP, 0, address_offset_overflow},
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{"ldhu", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDHU, OP_MASK_IOP, 0, address_offset_overflow},
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{"ldhuio", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDHUIO, OP_MASK_IOP, 0, address_offset_overflow},
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{"ldl", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDL, OP_MASK_IOP, 0, address_offset_overflow},
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{"ldw", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDW, OP_MASK_IOP, 0, address_offset_overflow},
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{"ldwio", "t,i(s)", "t,i(s)E", 3,
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OP_MATCH_LDWIO, OP_MASK_IOP, 0, address_offset_overflow},
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{"mov", "d,s", "d,s,E", 2,
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OP_MATCH_ADD, OP_MASK_RRT|OP_MASK_ROPX|OP_MASK_ROP, NIOS2_INSN_MACRO_MOV,
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no_overflow},
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{"movhi", "t,u", "t,u,E", 2,
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OP_MATCH_ORHI, OP_MASK_IRS|OP_MASK_IOP, NIOS2_INSN_MACRO_MOVI,
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unsigned_immed16_overflow},
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{"movui", "t,u", "t,u,E", 2,
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OP_MATCH_ORI, OP_MASK_IRS|OP_MASK_IOP, NIOS2_INSN_MACRO_MOVI,
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unsigned_immed16_overflow},
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{"movi", "t,i", "t,i,E", 2,
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OP_MATCH_ADDI, OP_MASK_IRS|OP_MASK_IOP, NIOS2_INSN_MACRO_MOVI,
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signed_immed16_overflow},
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/* movia expands to two instructions so there is no mask or match */
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{"movia", "t,o", "t,o,E", 2,
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OP_MATCH_ORHI, OP_MASK_IOP, NIOS2_INSN_MACRO_MOVIA, no_overflow},
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{"mul", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_MUL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"muli", "t,s,i", "t,s,i,E", 3,
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OP_MATCH_MULI, OP_MASK_IOP, 0, signed_immed16_overflow},
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{"mulxss", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_MULXSS, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"mulxsu", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_MULXSU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"mulxuu", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_MULXUU, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"nextpc", "d", "d,E", 1,
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OP_MATCH_NEXTPC, OP_MASK_NEXTPC, 0, no_overflow},
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{"nop", "", "E", 0,
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OP_MATCH_ADD, OP_MASK, NIOS2_INSN_MACRO_MOV, no_overflow},
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{"nor", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_NOR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"or", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_OR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"orhi", "t,s,u", "t,s,u,E", 3,
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OP_MATCH_ORHI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
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{"ori", "t,s,u", "t,s,u,E", 3,
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OP_MATCH_ORI, OP_MASK_IOP, NIOS2_INSN_ORI, unsigned_immed16_overflow},
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{"rdctl", "d,c", "d,c,E", 2,
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OP_MATCH_RDCTL, OP_MASK_RDCTL, 0, no_overflow},
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{"rdprs", "t,s,i", "t,s,i,E", 3,
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OP_MATCH_RDPRS, OP_MASK_IOP, 0, unsigned_immed16_overflow},
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{"ret", "", "E", 0,
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OP_MATCH_RET, OP_MASK, 0, no_overflow},
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{"rol", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_ROL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"roli", "d,s,j", "d,s,j,E", 3,
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OP_MATCH_ROLI, OP_MASK_ROLI, 0, unsigned_immed5_overflow},
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{"ror", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_ROR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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{"sll", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_SLL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
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|
{"slli", "d,s,j", "d,s,j,E", 3,
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OP_MATCH_SLLI, OP_MASK_SLLI, 0, unsigned_immed5_overflow},
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|
{"sra", "d,s,t", "d,s,t,E", 3,
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OP_MATCH_SRA, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
|
|
{"srai", "d,s,j", "d,s,j,E", 3,
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OP_MATCH_SRAI, OP_MASK_SRAI, 0, unsigned_immed5_overflow},
|
|
{"srl", "d,s,t", "d,s,t,E", 3,
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|
OP_MATCH_SRL, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
|
|
{"srli", "d,s,j", "d,s,j,E", 3,
|
|
OP_MATCH_SRLI, OP_MASK_SRLI, 0, unsigned_immed5_overflow},
|
|
{"stb", "t,i(s)", "t,i(s)E", 3,
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|
OP_MATCH_STB, OP_MASK_IOP, 0, address_offset_overflow},
|
|
{"stbio", "t,i(s)", "t,i(s)E", 3,
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|
OP_MATCH_STBIO, OP_MASK_IOP, 0, address_offset_overflow},
|
|
{"stc", "t,i(s)", "t,i(s)E", 3,
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|
OP_MATCH_STC, OP_MASK_IOP, 0, address_offset_overflow},
|
|
{"sth", "t,i(s)", "t,i(s)E", 3,
|
|
OP_MATCH_STH, OP_MASK_IOP, 0, address_offset_overflow},
|
|
{"sthio", "t,i(s)", "t,i(s)E", 3,
|
|
OP_MATCH_STHIO, OP_MASK_IOP, 0, address_offset_overflow},
|
|
{"stw", "t,i(s)", "t,i(s)E", 3,
|
|
OP_MATCH_STW, OP_MASK_IOP, 0, address_offset_overflow},
|
|
{"stwio", "t,i(s)", "t,i(s)E", 3,
|
|
OP_MATCH_STWIO, OP_MASK_IOP, 0, address_offset_overflow},
|
|
{"sub", "d,s,t", "d,s,t,E", 3,
|
|
OP_MATCH_SUB, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
|
|
{"sync", "", "E", 0,
|
|
OP_MATCH_SYNC, OP_MASK_SYNC, 0, no_overflow},
|
|
{"trap", "b", "b,E", 1,
|
|
OP_MATCH_TRAP, OP_MASK_TRAP, 0, no_overflow},
|
|
{"eret", "", "E", 0,
|
|
OP_MATCH_ERET, OP_MASK, 0, no_overflow},
|
|
{"custom", "l,d,s,t", "l,d,s,t,E", 4,
|
|
OP_MATCH_CUSTOM, OP_MASK_ROP, 0, custom_opcode_overflow},
|
|
{"wrctl", "c,s", "c,s,E", 2,
|
|
OP_MATCH_WRCTL, OP_MASK_WRCTL, 0, no_overflow},
|
|
{"wrprs", "d,s", "d,s,E", 2,
|
|
OP_MATCH_WRPRS, OP_MASK_RRT|OP_MASK_ROPX|OP_MASK_ROP, 0, no_overflow},
|
|
{"xor", "d,s,t", "d,s,t,E", 3,
|
|
OP_MATCH_XOR, OP_MASK_ROPX | OP_MASK_ROP, 0, no_overflow},
|
|
{"xorhi", "t,s,u", "t,s,u,E", 3,
|
|
OP_MATCH_XORHI, OP_MASK_IOP, 0, unsigned_immed16_overflow},
|
|
{"xori", "t,s,u", "t,s,u,E", 3,
|
|
OP_MATCH_XORI, OP_MASK_IOP, NIOS2_INSN_XORI, unsigned_immed16_overflow}
|
|
};
|
|
|
|
#define NIOS2_NUM_OPCODES \
|
|
((sizeof nios2_builtin_opcodes) / (sizeof (nios2_builtin_opcodes[0])))
|
|
const int bfd_nios2_num_builtin_opcodes = NIOS2_NUM_OPCODES;
|
|
|
|
/* This is not const to allow for dynamic extensions to the
|
|
built-in instruction set. */
|
|
struct nios2_opcode *nios2_opcodes =
|
|
(struct nios2_opcode *) nios2_builtin_opcodes;
|
|
int bfd_nios2_num_opcodes = NIOS2_NUM_OPCODES;
|
|
#undef NIOS2_NUM_OPCODES
|